Ink jet nozzle having an actuator mechanism comprised of...

Details Ink jet nozzle having an actuator mechanism comprised of... Ink jet nozzle having an actuator mechanism comprised of...

2005-05-31

2005-05-31

Meier, Stephen D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S048000, C347S056000, C347S065000

Reexamination Certificate

active

06899415

ABSTRACT:
A nozzle arrangement for an ink jet printhead includes a wafer substrate having a nozzle chamber defined therein. The nozzle arrangement has a nozzle chamber wall that defines an ink ejection port and a rim about the ink ejection port. A series of radially positioned actuators are connected to the wafer substrate and extend radially inwardly towards the rim. Each actuator is configured so that a radially inner edge of each actuator is displaceable, with respect to the nozzle rim, into the chamber, upon actuation of the actuator and so that, upon such displacement, a pressure within the nozzle chamber is increased, resulting in the ejection of ink from the ejection port.

REFERENCES:
patent: 5659345 (1997-08-01), Altendorf
patent: 5812159 (1998-09-01), Anagnostopoulos et al.
patent: 6488358 (2002-12-01), Silverbrook et al.
patent: 404001051 (1992-01-01), None

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